Seiko Cal. 6342 - 746

The 6342-746 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6342 caliber with 22j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-997eabc2f081]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1981

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